I brought in a brand new pair of Samsung Buds2 Pro, sealed and the guy at the counter asked me to open them. I said if he opens them he'll have to buy them. He told me the price he can offer for them and I said yes, it's fine. He opened them, had a look at them and then he said he'll have to keep them to run some tests. That's when I asked him why he didn't tell me that at the beginning as I do not leave nearby and I am looking to sell them on the spot. He said he's sorry and that's the procedure. Now I took them to another shop and they gave me less because the seal was ripped off. I'm never going back to CEX ever again although my friends warned me ahead and I still went.